551  
WWUS45 KRIW 291116  
WSWRIW  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RIVERTON WY  
416 AM MST SAT NOV 29 2025  
 
WYZ010-011-291500-  
/O.CON.KRIW.WW.Y.0032.000000T0000Z-251129T1500Z/  
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-  
INCLUDING THE CITIES OF KAYCEE AND BUFFALO  
416 AM MST SAT NOV 29 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS  
MORNING...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO ONE INCH. WINDS  
GUSTING AS HIGH AS 45 MPH.  
 
* WHERE...NORTHEAST JOHNSON COUNTY AND SOUTHEAST JOHNSON COUNTY.  
 
* WHEN...UNTIL 8 AM MST THIS MORNING.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. BLOWING AND DRIFTING  
SNOW WILL SHARPLY REDUCE VISIBILITY AT TIMES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
FOR GRAPHICAL DEPICTIONS OF THE SNOWFALL FORECAST, INCLUDING THE  
OFFICIAL NWS FORECAST, HIGH END AMOUNTS, AND LOW END AMOUNTS, VISIT  
HTTPS://WEATHER.GOV/RIW/WINTER .  
 
FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF  
TRANSPORTATION, VISIT HTTPS://WYOROAD.INFO .  
 
 
 
 
 
WYZ020-291500-  
/O.CON.KRIW.WW.Y.0032.000000T0000Z-251129T1500Z/  
NATRONA COUNTY LOWER ELEVATIONS-  
INCLUDING THE CITIES OF CASPER  
416 AM MST SAT NOV 29 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS  
MORNING...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO ONE INCH.  
 
* WHERE...NATRONA COUNTY LOWER ELEVATIONS.  
 
* WHEN...UNTIL 8 AM MST THIS MORNING.  
 
* IMPACTS...PLAN ON SLIPPERY AND SNOW COVERED ROADS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
FOR GRAPHICAL DEPICTIONS OF THE SNOWFALL FORECAST, INCLUDING THE  
OFFICIAL NWS FORECAST, HIGH END AMOUNTS, AND LOW END AMOUNTS, VISIT  
HTTPS://WEATHER.GOV/RIW/WINTER .  
 
FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF  
TRANSPORTATION, VISIT HTTPS://WYOROAD.INFO .  
 
 
 
 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT  
HTTPS://WEATHER.GOV/RIW/ .  
 
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